Avian Osteology

Skull
71 mm


	Northern Goshawk 66 - 76 mm	Swainson's Hawk 67 - 79 mm	Rough-legged Hawk 71 - 86 mm	Peregrine Falcon 62 - 74 mm


	Prairie Falcon 61 - 72 mm	Barn Owl 64 - 81 mm	Spotted Owl 70 - 78 mm	Barred Owl 70 - 82 mm